Improvement in stop-motions for looms



UNITED STATES PATENT OEEIGE,

GEORGE E. MILROY, OF LOWELL, MASSACHUSETTS.

IMPROVEMENT INSTOP-MOTIONS FOR LOOMS.

Specification forming part of Letters Patent No. 88,322, dated March 30,1869.

To all whom it may concern; y

Be it known that I, GEORGE E. MILROY, of the city of Lowell, county ofMiddlesex, Sta-te of Massachusetts, have invented a new and usefulMethod of Stopping Looms; and I do hereby decla-re the following to be afull, clear, and exact description of the same, reference being had tothe annexed drawings, making a part of this Specification.

Figure` 1 is an end View of a loom, with the stop-motion. Fig. 2 showsfront Viewofstops, with reeds rr between stops. Fig.. 3 is a fullsizedend View, as shown in Fig. l. Fig. 4 shows a modified form of the4points o 0, in which modification the points are attached in groups oftwo. or more to a single stop.

A represents the frame of a loom, with `two additional posts(one shown)for supporting the ,guard B, andu also serving as a rest for the frame Oandthe bar c'.

c is a series of pieces of brass or other suitable material, out asshown, with steel points o attached. The pieces of brass are slotted ateach end, and move freely up and down in the frame O, as shown in Figs.2 and 3.

I keep the pieces capart by inserting' pieces of common weaving'- reedyfr r between the plates, as shown in Figs. 2 and 3.

O is an iron frame, attached to the front part of the loom by twostra-ps, with hingejoints in them.

D is a latch for operating the shipper E.

4 is a spring to keep the latch in place.

u is a guard, to hold the upper end of the shipper.

e is the lathe, with a catch, 2, on back of it.

a are two pieces (one shown) in the top of the reed-cap, so that whenthe lathe moves forward, as shown by the dotted lilies, the pieces a hitthe guard B, and push it back out from under the notches in the stops c.

The bar .fr rests on'the posts A, and goes across the loom under thecloth, just back of the points o, so as to support the cloth and keep itfrom sagging.

The cloth moves between the iron frame O and the bar no, and the pointso o rest on the cloth about one-quarter of an inch back of the edge ofthe cloth that is being woven.

As long as the cloth remains perfect the points o o remain on top of it,thus keeping the stops c in place, as shown, and the guard B falls underthe notches, which allows the arm m (supporting one-end of the latch D)to fall, with the latch, down to the dotted lines, so as to be out ot'the way of the catch 2. But when lany imperfections occur in the cloth,such as breaking out of threads, or

from the warp becoming tangled or knotted,

so as to cause 'overshots, or any otherimperfections, the points o dropthrough the cloth,

and the stops c attached fall to the posit-ion shown in' dotted lines inFig. Il, thus stopping the guard B, which keeps the latch l), as shown,so as to be acted on by the catch 2 as the lathe goes back, which takesthev latch with it. and the pin 3 in the end of the latch catchesthehandle ofthe shipper E and pulls it out of its recess, thus shipping thebelt and stopping the loom, so that the necessary repairs may be made.

B is shown in Figs. 2 and 3 as going across the loom under the notchesin the stops c. v lf the weaver wants to mend a thread, she springs thearm m out from under the latch I) and turns the guard B down on thefront beam of the loom. This allows the frame O, with stops c, to betipped forward by means of the hinged joints in C, so that the weavercan get at the work. i

I do not confine myself to the exact method of arranging the differentparts herein described, as that may be varied; but

What I do claim as my invention, and wish to secure by Letters Patent,is as follows:

I claim the mechanism herein described for stopping a loom on theoccurrence of imperfections in the woven cloth, when constructed,combined, and operated substantially as set forth.

GEO. E. MILROY.

Witnesses:

CHARLES CLARK, WM. RoBERTs.A

